
MEHEDI HASAN
Data Entry Specialist, File Conversion, Expert in B2B Leads, Admin and VA
Skills

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Portfolio
Work experience
Database Administrator
Square • Full-time
Nov 2022 - Present • 3 yrs 8 mos
As a Senior Database Administrator at Square Company (2022–2026), I played a key role in maintaining and optimizing the databases that power operations across pharmaceuticals, textiles, FMCG, and telecom. Problem The company faced challenges with slow database performance, increasing data volumes, security vulnerabilities, system downtime, and complex workflows that affected productivity and business continuity. Solution I designed and optimized enterprise-level databases, implemented strong security controls, improved query performance, deployed high-availability and backup strategies, and streamlined data workflows—ensuring 24/7 system reliability and supporting major digital transformation initiatives. ✅Portfolio: https://mhportfolio.lovable.app